Which of the following is most likely the distance between two places on Earth?

6,456 miles

30 million kilometers

10.8 billion light years

1.14 astronomical units

Acetylene is the simplest hydrocarbon that contains carbon-carbon triple bond. Hydrocarbons are the compounds of carbon and hydrogen. identify the branch of Chemistry?

What particle has almost mo mass

Examine the general structure of a molecule. C is bonded to R to the left, C O O H above right, H right, and N H 2 below left.

Phosphoric acid can be used to clean scale (calcium carbonate) from water fixtures like taps by reacting with it to form products that dissolve easily. warming the phosphoric acid solution would - a. remove less scale. b. remove more scale. c.

What is the mass, in grams, of 28.42 mL of acetone?

This is the ability of matter to change into a different substance.

How can I write ecology in my own words for a definition

The amount of time it takes for one-half of the original amount of an isotope to decay is known as its

If enough heat is added to a substance, electrons begin to separate from the atomic nuclei. Which process does this describe? A. A solid turning into a liquid B. A plasma turning into a gas C. A gas turning into a plasma D.

What is the percent of H2O in a sample of a hydrate whose mass is 1.1290 g if the mass of water in the sample was 0.1660 g?